33223000230431 has 16 divisors (see below), whose sum is σ = 37319624542368. Its totient is φ = 29313401548800.

The previous prime is 33223000230391. The next prime is 33223000230517. The reversal of 33223000230431 is 13403200032233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33223000230431 is a prime.

It is a super-2 number, since 2×33223000230431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33223000230431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33223000230131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190755416 + ... + 190929501.

It is an arithmetic number, because the mean of its divisors is an integer number (2332476533898).

Almost surely, 2^{33223000230431} is an apocalyptic number.

33223000230431 is a deficient number, since it is larger than the sum of its proper divisors (4096624311937).

33223000230431 is a wasteful number, since it uses less digits than its factorization.

33223000230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381685162.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 33223000230431 its reverse (13403200032233), we get a palindrome (46626200262664).

The spelling of 33223000230431 in words is "thirty-three trillion, two hundred twenty-three billion, two hundred thirty thousand, four hundred thirty-one".